:root{--accent:#ff5600;--accent-soft:#ffbc68;--magenta:#ff0053;--text:#efe9e4;--text-dim:#9d93a5;--glass:#130e168c;--glass-border:#ffbc6824;--font-display:"Avenir Next", "Futura", "Segoe UI", system-ui, sans-serif;--font-mono:"SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,canvas.webgl{background:#130e16;width:100vw;height:100vh;position:fixed;overflow:hidden}body{font-family:var(--font-display);color:var(--text);-webkit-font-smoothing:antialiased}canvas.webgl{outline:none}.ui{pointer-events:none;z-index:10;opacity:1;transition:opacity .4s;position:fixed;inset:0}.ui.is-hidden{opacity:0}.ui.is-hidden *{pointer-events:none!important}.ui>*{pointer-events:auto}.ui-header{-webkit-user-select:none;user-select:none;pointer-events:none;position:absolute;top:28px;left:32px}.ui-title{letter-spacing:.55em;text-shadow:0 0 24px #ff56008c;font-size:26px;font-weight:700}.ui-subtitle{letter-spacing:.34em;text-transform:uppercase;color:var(--text-dim);margin-top:4px;font-size:11px}.ui-star-link{pointer-events:auto;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-soft);background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(12px);border-radius:999px;align-items:center;gap:7px;padding:7px 15px;font-size:10.5px;font-weight:600;text-decoration:none;transition:border-color .2s,box-shadow .2s,color .2s,transform .15s;display:inline-flex;position:absolute;bottom:30px;right:32px}.ui-star-link:hover{color:var(--text);border-color:var(--accent);transform:translateY(-1px);box-shadow:0 0 20px #ff560066}.ui-star-link-icon{color:var(--accent);text-shadow:0 0 8px #ff5600cc;font-size:12px}.ui-fps{font-family:var(--font-mono);letter-spacing:.12em;color:var(--text-dim);margin-top:10px;font-size:10px}.ui-actions{gap:8px;display:flex;position:absolute;top:26px;right:32px}.ui-icon-button{width:34px;height:34px;color:var(--text);background:var(--glass);border:1px solid var(--glass-border);cursor:pointer;-webkit-backdrop-filter:blur(12px);border-radius:9px;place-items:center;font-size:14px;transition:border-color .2s,box-shadow .2s,transform .15s;display:grid}.ui-icon-button:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 0 18px #ff560059}.ui-panel{scrollbar-width:thin;scrollbar-color:#ffbc6840 transparent;flex-direction:column;gap:10px;width:264px;max-height:calc(100vh - 210px);display:flex;position:absolute;top:76px;right:32px;overflow-y:auto}.ui-section{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);border-radius:14px;flex-shrink:0;overflow:hidden}.ui-section-title{letter-spacing:.3em;text-transform:uppercase;color:var(--accent-soft);cursor:pointer;-webkit-user-select:none;user-select:none;padding:11px 16px;font-size:10px;font-weight:600;list-style:none}.ui-section-title::-webkit-details-marker{display:none}.ui-section-title:after{content:"+";float:right;color:var(--text-dim);transition:transform .2s}.ui-section[open] .ui-section-title:after{content:"−"}.ui-section-body{flex-direction:column;gap:9px;padding:2px 16px 14px;display:flex}.ui-row{grid-template-columns:78px 1fr 62px;align-items:center;gap:8px;display:grid}.ui-label{letter-spacing:.04em;color:var(--text-dim);white-space:nowrap;text-overflow:ellipsis;font-size:10.5px;overflow:hidden}.ui-value{font-family:var(--font-mono);text-align:right;color:var(--accent-soft);white-space:nowrap;font-size:9.5px}.ui-slider{appearance:none;cursor:pointer;background:linear-gradient(90deg,#ff5600a6,#cc00ff73);border-radius:2px;outline:none;width:100%;height:3px}.ui-slider::-webkit-slider-thumb{appearance:none;background:var(--text);border:2px solid var(--accent);border-radius:50%;width:11px;height:11px;transition:transform .15s;box-shadow:0 0 8px #ff560099}.ui-slider::-webkit-slider-thumb:hover{transform:scale(1.25)}.ui-slider::-moz-range-thumb{background:var(--text);border:2px solid var(--accent);border-radius:50%;width:11px;height:11px;box-shadow:0 0 8px #ff560099}.ui-switch{grid-column:2/4;justify-self:end;width:34px;height:18px;position:relative}.ui-switch input{opacity:0;cursor:pointer;z-index:1;width:100%;height:100%;margin:0;position:absolute}.ui-switch-track{border:1px solid var(--glass-border);background:#ffffff14;border-radius:10px;transition:background .2s;position:absolute;inset:0}.ui-switch-track:after{content:"";background:var(--text-dim);border-radius:50%;width:12px;height:12px;transition:transform .2s,background .2s;position:absolute;top:2px;left:2px}.ui-switch input:checked+.ui-switch-track{background:#ff560059}.ui-switch input:checked+.ui-switch-track:after{background:var(--accent-soft);transform:translate(16px)}.ui-presets{grid-template-columns:1fr 1fr;gap:6px;margin-bottom:3px;display:grid}.ui-preset{letter-spacing:.14em;text-transform:uppercase;color:var(--text);border:1px solid var(--glass-border);cursor:pointer;background:#ffffff0d;border-radius:8px;padding:7px 4px;font-size:9.5px;font-weight:600;transition:border-color .2s,background .2s}.ui-preset:hover{border-color:var(--accent);background:#ff560024}.ui-preset.is-active{border-color:var(--accent);color:var(--accent-soft);background:#ff560038}.ui-preset.ui-wide{grid-column:1/-1;width:100%;margin-top:2px}.ui-tour{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(18px);opacity:0;visibility:hidden;border-radius:16px;width:min(560px,100vw - 48px);padding:18px 22px 14px;transition:opacity .35s,transform .35s,visibility .35s;position:absolute;bottom:92px;left:50%;transform:translate(-50%)translateY(12px)}.ui-tour.is-open{opacity:1;visibility:visible;transform:translate(-50%)translateY(0)}.ui-tour-text{color:var(--text);text-shadow:0 1px 8px #0009;opacity:0;min-height:42px;font-size:13.5px;line-height:1.55;transition:opacity .35s,transform .35s;transform:translateY(4px)}.ui-tour-text.is-in{opacity:1;transform:translateY(0)}.ui-tour-controls{justify-content:flex-end;align-items:center;gap:8px;margin-top:10px;display:flex}.ui-tour-progress{font-family:var(--font-mono);letter-spacing:.14em;color:var(--text-dim);margin-right:auto;font-size:10px}.ui-inspect{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(14px);pointer-events:none;opacity:0;z-index:20;border-radius:10px;max-width:240px;padding:9px 13px 10px;transition:opacity .15s;position:fixed;top:0;left:0}.ui-inspect.is-visible{opacity:1}.ui-inspect-title{letter-spacing:.26em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:5px;font-size:9px;font-weight:600}.ui-inspect-body{font-family:var(--font-mono);color:var(--text);flex-direction:column;gap:3px;font-size:10px;line-height:1.45;display:flex}.ui-inspect-body span:nth-child(2){color:var(--text-dim)}.ui-science-card{flex-direction:column;width:min(620px,100vw - 48px);max-height:min(78vh,720px);display:flex}.ui-science-body{scrollbar-width:thin;scrollbar-color:#ffbc6840 transparent;margin-bottom:18px;padding-right:10px;overflow-y:auto}.ui-eq{border-bottom:1px solid #ffbc6814;grid-template-columns:168px 1fr;gap:2px 16px;padding:9px 0;display:grid}.ui-eq-name{letter-spacing:.06em;text-transform:uppercase;color:var(--accent-soft);grid-row:span 2;align-self:center;font-size:10.5px;font-weight:600}.ui-eq-formula{font-family:var(--font-mono);color:var(--text);font-size:12px}.ui-eq-note{color:var(--text-dim);font-size:10.5px}.ui-refs-title{letter-spacing:.3em;text-transform:uppercase;color:var(--accent-soft);margin:16px 0 8px;font-size:10px;font-weight:600}.ui-refs{color:var(--text-dim);flex-direction:column;gap:6px;font-size:11px;line-height:1.45;list-style:none;display:flex}.ui-refs li:before{content:"·";color:var(--accent);margin-right:8px}.ui-star-cta{color:var(--text-dim);margin-top:16px;font-size:11.5px}.ui-star-cta a{color:var(--accent-soft);border-bottom:1px solid #ffbc6866;text-decoration:none;transition:color .2s,border-color .2s}.ui-star-cta a:hover{color:var(--accent);border-color:var(--accent)}.ui-tour-controls .ui-preset{padding:6px 14px}.ui-group-label{letter-spacing:.22em;text-transform:uppercase;color:var(--text-dim);margin-top:3px;font-size:9px;font-weight:600}.ui-toast{letter-spacing:.14em;text-transform:uppercase;color:var(--accent-soft);background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);opacity:0;pointer-events:none;border-radius:10px;padding:9px 18px;font-size:11px;transition:opacity .3s,transform .3s;position:absolute;bottom:88px;left:50%;transform:translate(-50%)translateY(8px)}.ui-toast.is-visible{opacity:1;transform:translate(-50%)translateY(0)}.ui-hud{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);-webkit-user-select:none;user-select:none;border-radius:14px;width:252px;padding:13px 16px 14px;position:absolute;bottom:30px;left:32px}.ui-hud-title{letter-spacing:.34em;color:var(--accent-soft);margin-bottom:9px;font-size:9px;font-weight:600}.ui-hud-body{font-family:var(--font-mono);grid-template-columns:auto auto;justify-content:space-between;row-gap:4px;font-size:9.5px;display:grid}.ui-hud-key{color:var(--text-dim)}.ui-hud-value{text-align:right;color:var(--text)}.ui-playback{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);border-radius:12px;align-items:center;gap:12px;padding:8px 16px 8px 8px;display:flex;position:absolute;bottom:30px;left:50%;transform:translate(-50%)}.ui-playback .ui-icon-button{width:30px;height:30px;font-size:10px}.ui-playback .ui-row{grid-template-columns:auto 130px 40px}.ui-help{-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;background:#09060ba6;place-items:center;transition:opacity .25s,visibility .25s;display:grid;position:absolute;inset:0}.ui-help.is-open{opacity:1;visibility:visible}.ui-help-card{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);border-radius:18px;width:min(400px,100vw - 48px);padding:28px 32px}.ui-help-card h2{letter-spacing:.4em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:18px;font-size:13px}.ui-help-grid{color:var(--text-dim);grid-template-columns:auto 1fr;align-items:center;gap:9px 18px;margin-bottom:22px;font-size:12px;display:grid}.ui-help-grid kbd{font-family:var(--font-mono);color:var(--text);border:1px solid var(--glass-border);white-space:nowrap;background:#ffffff12;border-radius:6px;justify-self:start;padding:3px 9px;font-size:10.5px}.ui-intro{z-index:50;text-align:center;opacity:1;pointer-events:none;background:#0b070e;place-content:center;transition:opacity 1.6s;display:grid;position:fixed;inset:0}.ui-intro h1{letter-spacing:.6em;text-indent:.6em;text-shadow:0 0 34px #ff5600a6;font-size:30px;font-weight:700;animation:2.2s ease-in-out infinite intro-pulse}.ui-intro p{letter-spacing:.4em;text-transform:uppercase;color:var(--text-dim);margin-top:12px;font-size:10px}.ui-intro.is-hidden{opacity:0}@keyframes intro-pulse{0%,to{text-shadow:0 0 24px #ff560066}50%{text-shadow:0 0 48px #ff5600d9}}@media (width<=760px){.ui-panel,.ui-hud{display:none}.ui-header{top:20px;left:20px}.ui-title{font-size:18px}.ui-actions{top:18px;right:20px}.ui-star-link{bottom:20px;right:20px}}